twin conical screw barrel
Conical twin screw barrel specification is dia45/90~dia92/188
Screw structure and compression ratio can be designed according to different products and parts.
Technical parameter:
Material | 38CrMoALA,9Cr18MoV |
Application | PVC,ABS,TPO |
Hardness After Hardening &Tempering: | HB240 -280 |
Nitrided Hardness: | Hv850-1000 |
Nitrided Depth: | 0.45-0.7mm |
Nitrided Brittleness: | ≤Grade 2 |
Surface Roughness: | Ra0.4 |
Screw straightness: | 0.015mm |
Surface Chromate-plating's Hardness After Nitrided: | ≥900Hv |
Chromate-plating Depth: | 0.05-0.10mm |
Bimetallic-alloy Hardness: | HRC56 -65 |
Alloy Depth: | 0.8-2.0mm |
The parameter of the twin conical screw barrel
Specification (d/D) | Length (mm) | Capacity (Kg/h) | Speed (RPM) |
![](http://img.hisupplier.com/var/userImages/2012-05%2F05%2F101358207670.jpg)
Twin conical screw barrel
![](http://img.hisupplier.com/var/userImages/2012-05%2F05%2F101450104431.jpg)
Twin conical screw
![](http://img.hisupplier.com/var/userImages/2012-05%2F05%2F101544162470.jpg)
Twin conical barrel